Re: Terminfo: 24-Bit/3-byte Color Support

[Thomas Dickey]

On Tue, Oct 15, 2013 at 12:06:26PM +0200, Rüdiger Sonderfeld wrote:
> Hello,
> 
> it seems that some terminals now support for 24-bit RGB color values.  It 
> seem 

sort of - let's not get distracted by relative success.
It's an encoding.

> to have started with KDE's Konsole[1].  But iTerm.app is adding support in 
> the 
> next release as well[2].  Terminfo should provide a way to support 24-bit RGB 
> colors.
> 
> As far as I see it, the best approach would be to add new variable `setrgbf' 
> and `setrgbb'.  And potentially CMY/CMYK versions.
> 
> E.g., the entries could look like
> 
>  konsole+24bit|KDE console 24bit/3byte RGB color feature,
>     colors#16777216,

That won't work with terminfo, which uses signed 16-bit numbers.

If slang used ncurses' terminfo interface (it does not),
I might consider making an extension,
but I'd get too much interference from packagers to consider that.

Compatibility bites.

>     setrgbf=\E[38;2;#1%d;#2%d;#3%dm,
>     setrgbb=\E[48;2;#1%d;#2%d;#3%dm,

initc seems to do what's already needed - even for this item.

-- 
Thomas E. Dickey <address@hidden>
http://invisible-island.net
ftp://invisible-island.net

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